[Bug 879510] [NEW] wodim fails to burn DVD+RDL

[James Finnall]

Public bug reported:

I use K3B to burn DVD's for longer than I care to think about.   I just
upgraded to 11.10 with kernel 3.0.   All dual layer burns have failed
since the upgrade.   I have been able to complete a dual layer burn
properly by booting the prior 2.6.38 kernel from 11.04.  Below is the
tail end of the log report from k3b using wodim 1.1.11.  I was able to
burn a single layer DVD normally with kernel 3.0.0, but it might use
another program to burn with.

Track 01: 7294 of 7297 MB written (fifo 100%) [buf 99%] 4.3x.
Track 01: 7295 of 7297 MB written (fifo 100%) [buf 99%] 4.1x.
Track 01: 7296 of 7297 MB written (fifo 100%) [buf 99%] 4.3x.
Track 01: 7297 of 7297 MB written (fifo 100%) [buf 99%] 4.1x.
Track 01: Total bytes read/written: 7652487168/7652487168 (3736566 sectors).
Writing time: 1442.171s
Average write speed 3.9x.
Min drive buffer fill was 1%
Total of 1 possible drive buffer underruns predicted.
Fixating...
Errno: 5 (Input/output error), close track/session scsi sendcmd: cmd timeout after 69.899 (1000) s
CDB: 5B 00 04 00 00 00 00 00 00 00
cmd finished after 69.899s timeout 1000s
/usr/bin/wodim: No such device or address. Cannot send SCSI cmd via ioctl
cdrecord command:
-----------------------
/usr/bin/wodim -v gracetime=2 dev=/dev/sr1 speed=4 -sao driveropts=burnfree -data -tsize=3736566s -


On all of the failures since my upgrade to 11.10, this error has been the same as above.

/usr/bin/wodim: No such device or address. Cannot send SCSI cmd via
ioctl

Now that is unusual since it just completed burning almost 8 GBytes of
information also indicated above.

Something unusual with this problem is that a single DVD burned and
completed normally.  Unfortunately I did not view the report to see if
it used wodim or other package to burn with.

The program wodim 1.1.11 is over a year old so I do not suspect that is
where the problem, unless there was a change in the version 3 kernel
that would effect it.   It could be a compile issue of the version 3
kernel as well.

Thank you for the assistance.  For now I will just boot the 2.6.38 kernel.
James

** Affects: cdrkit (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/879510

Title:
  wodim fails to burn DVD+RDL

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